Systems for transformer for inverter for electric vehicle

Abstract

A system may include a printed circuit board (PCB), wherein the PCB includes an opening. A system may include a transformer including: a housing including a first end extending in a first plane and a second end extending in a second plane, the second end configured to be inserted into the opening in the PCB; and one or more leads extending from the housing, wherein an end of the one or more leads is configured to be connected to the PCB and to be disposed between the first plane and the second plane.

What is claimed is: 
     
         1 . A system comprising:
 an inverter to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes:   a printed circuit board (PCB), wherein the PCB includes an opening; and   a transformer including:
 a housing including a first end extending in a first plane and a second end extending in a second plane, the second end configured to be inserted into the opening in the PCB; and 
 one or more leads extending from the housing, wherein an end of the one or more leads is configured to be connected to the PCB and to be disposed between the first plane and the second plane. 
   
     
     
         2 . The system of  claim 1 , wherein the one or more leads include one or more of a press fit lead or a solder lead. 
     
     
         3 . The system of  claim 1 , wherein the one or more leads include a press fit lead, and wherein an insertion depth of the second end in the opening in the PCB is dependent on a height of the first end. 
     
     
         4 . The system of  claim 1 , wherein:
 the inverter further includes a first thermal pad disposed on the first end, and a second thermal pad disposed on the second end, and   the transformer is disposed between the first thermal pad and the second thermal pad.   
     
     
         5 . The system of  claim 4 , wherein:
 the PCB includes a first side and a second side,   the first end is disposed on the first side of the PCB, and   the second end is disposed on the second side of the PCB.   
     
     
         6 . The system of  claim 4 , wherein:
 the transformer further includes a cover disposed on a first side of the first thermal pad, and a plate disposed on a second side of the second thermal pad, and   the first side of the first thermal pad is opposite to the second side of the second thermal pad.   
     
     
         7 . The system of  claim 1 , wherein the one or more leads extend in a direction toward the second end and perpendicular to the first end. 
     
     
         8 . The system of  claim 1 , wherein the one or more leads further include:
 a transformer connection end, wherein the transformer connection end of the one or more leads and the first end of the housing are configured to be disposed on a first side of the PCB; and   a PCB connection end, wherein the PCB connection end of the one or more leads and the second end of the housing are configured to be disposed on a second side of the PCB.   
     
     
         9 . The system of  claim 1 , wherein the second end inserted into the opening in the PCB lowers a center of gravity of the transformer in the PCB. 
     
     
         10 . The system of  claim 9 , wherein lowering the center of gravity of the transformer reduces one or more of a vibration, a thermal stress, or a shock relative to a surface mount transformer. 
     
     
         11 . The system of  claim 1 , further comprising:
 the battery configured to supply the DC power to the inverter; and   the motor configured to receive the AC power from the inverter to drive the motor, wherein the system is provided as a vehicle including the inverter, the battery, and the motor.   
     
     
         12 . A system comprising a transformer, the transformer including:
 a housing including a first end and a second end, wherein the first end is opposite to the second end; and   one or more leads disposed at the first end and disposed substantially perpendicular to the first end in a direction of the second end.   
     
     
         13 . The system of  claim 12 , wherein the one or more leads include a press fit lead, and wherein an insertion depth of the second end in an opening in a PCB is dependent on a height of the first end. 
     
     
         14 . The system of  claim 12 , further including:
 a first thermal pad disposed on the first end;   a second thermal pad disposed on the second end, wherein the transformer is disposed between the first thermal pad and the second thermal pad;   a cover disposed on a first side of the first thermal pad; and   a plate disposed on a second side of the second thermal pad, wherein the first side of the first thermal pad is opposite to the second side of the second thermal pad.   
     
     
         15 . The system of  claim 12 , wherein the one or more leads further include:
 a transformer connection end, wherein the transformer connection end of the one or more leads and the first end of the housing are configured to be disposed on a first side of a PCB; and   a PCB connection end, wherein the PCB connection end of the one or more leads and the second end of the housing are configured to be disposed on a second side of the PCB.   
     
     
         16 . The system of  claim 12 , further comprising an inverter including the transformer. 
     
     
         17 . A system comprising:
 a printed circuit board (PCB), wherein the PCB includes an opening; and   a transformer including:
 a housing includes a first end extending in a first plane and a second end extending in a second plane, the second end configured to be inserted into the opening in the PCB; and 
 one or more leads extend from the housing, and an end of the one or more leads configured to be connected to the PCB are between the first plane and the second plane. 
   
     
     
         18 . The system of  claim 17 , wherein the one or more leads extend in a direction toward the second end and perpendicular to the first end. 
     
     
         19 . The system of  claim 17 , wherein the one or more leads include a press fit lead, and wherein an insertion depth of the second end in the opening in the PCB is dependent on a height of the first end. 
     
     
         20 . The system of  claim 17 , wherein the transformer is configured to be mounted in the opening in the PCB so that the first end of the housing is on a first side of the PCB, and the second end of the housing is on a second side of the PCB opposite to the first side.